Finding the Fourth Proportional to 11,657,948.36, 16,087,937.46 and 6,501,315.56
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Solution
The fourth proportional to 11,657,948.36, 16,087,937.46 and 6,501,315.56 is: 8,971,798.03
Step by Step Solution
- Step 1: Write the proportion equation
11,657,948.36 : 16,087,937.46 = 6,501,315.56 : x - Step 2: Convert to fraction form
11,657,948.36/16,087,937.46 = 6,501,315.56/x - Step 3: Cross multiply
11,657,948.36x = 16,087,937.46 × 6,501,315.56 - Step 4: Simplify right side
11,657,948.36x = 104,592,758,137,004.88 - Step 5: Solve for x
x = 104,592,758,137,004.88/11,657,948.36 - Step 6: Final answer
x = 8,971,798.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.